Miniature pushbutton switch of modular construction



FIG. 1 is a top view of the miniature pushbutton switch of modular construction;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a miniature pushbutton switch of modular construction, as shown. 